Home / 11,736,400.80-17,604,601.20-7,910,025.60

Finding the Fourth Proportional to 11,736,400.80, 17,604,601.20 and 7,910,025.60

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Solution

The fourth proportional to 11,736,400.80, 17,604,601.20 and 7,910,025.60 is: 11,865,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736,400.80 : 17,604,601.20 = 7,910,025.60 : x
  2. Step 2: Convert to fraction form
    11,736,400.80/17,604,601.20 = 7,910,025.60/x
  3. Step 3: Cross multiply
    11,736,400.80x = 17,604,601.20 × 7,910,025.60
  4. Step 4: Simplify right side
    11,736,400.80x = 139,252,846,169,790.70
  5. Step 5: Solve for x
    x = 139,252,846,169,790.70/11,736,400.80
  6. Step 6: Final answer
    x = 11,865,038.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.